bydev / notes

Microsoft Entra ID, previously known as Azure Active Directory (Azure AD), is a cloud‑based directory and identity management service. It provides authentication, authorization, and access control for Microsoft cloud applications, third‑party SaaS applications, and custom solutions. Entra ID also integrates with on‑premises Active Directory for hybrid environments. Core Capabilities Who Uses Microsoft Entra ID? Microsoft…

Azure Storage ensures data durability and availability by storing multiple copies of data. By default, data is replicated three times within the primary region. Organizations can choose from different redundancy models to balance cost with availability and resilience requirements. Overview All redundancy options provide multiple copies of data. The choice of replication strategy involves a…

Microsoft Azure provides multiple storage options to address different data and workload requirements. Storage services range from unstructured object storage to big data analytics platforms. Selecting the appropriate type depends on the use case, performance requirements, and scalability needs. 1. Blob Storage (Binary Large Object) Blob Storage is designed for storing large amounts of unstructured…

Azure Virtual Networks (VNets) enable secure communication between Azure resources, on‑premises environments, and the internet. VNets extend traditional networking concepts such as addressing, routing, and access control into the cloud environment, providing a familiar framework for administrators while supporting cloud‑native integration. Key Features of Azure Virtual Networks Connecting Cloud and On‑Premises Resources Azure VNets support…

Azure Functions is Microsoft’s serverless compute service that allows developers to execute event‑driven code without the need to manage infrastructure such as servers or virtual machines. It enables rapid development of lightweight, scalable applications while optimizing cost efficiency. Overview With Azure Functions: Comparable offerings from other cloud providers include AWS Lambda and Google Cloud Functions….

Deploying virtual machines (VMs) in Azure requires more than initial provisioning. To ensure workloads remain scalable, reliable, and resilient against failures or demand spikes, Azure provides two core mechanisms: Virtual Machine Scale Sets (VMSS) and Availability Sets. Each addresses different aspects of availability and scalability. Virtual Machine Scale Sets (VMSS) VM Scale Sets manage groups…